linux-ext4 - Re: help about ext3 read-only issue on ext3(2.6.16.30)

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Message-ID: <CAEjEV8A=VNY6tSwzJPG32WqO0yNzvgcv8QsqBYEy6KiX7WVgSA@mail.gmail.com>
Date:	Wed, 5 Dec 2012 23:46:03 +0800
From:	qixuan wu <wuqixuan@...il.com>
To:	Tao Ma <tm@....ma>
Cc:	Li Zefan <lizefan@...wei.com>, Eric Sandeen <sandeen@...hat.com>,
	Yafang Shao <laoar.shao@...il.com>,
	linux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org,
	wuqixuan@...wei.com
Subject: Re: help about ext3 read-only issue on ext3(2.6.16.30)

Hi Tao,

On Wed, Dec 5, 2012 at 9:58 PM, Tao Ma <tm@....ma> wrote:
> Hi qixuan,
> On 12/05/2012 12:16 AM, qixuan wu wrote:
>> Hi Tao, all,
>>
>>     I guess it's a memory(or ext3/kenrel) issue. Beause in one
>> machine, after report this issue, the partition is made to readonly,
>> we use debugfs to "ls dir", and it's fine. It can list all files
>> without error. If the disk has issue, when we using ls command, it
>> will give error also. (The dir name is also using debugfs to get by
>> issue inode ID.)
> Are you sure the disk is good? I just checked the code in e2fsprogs, it
> seems that it will not complain if rec_len = 0, and the dir iteration
> just aborts. I guess the right way should be dd the corresponding block
> out, decode and read it in binary format. :(

    Good idea, will do it.

Thanks
wuqixuan

> Thanks
> Tao
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